101230200320 has 160 divisors (see below), whose sum is σ = 262399500000. Its totient is φ = 37323472896.

The previous prime is 101230200317. The next prime is 101230200343. The reversal of 101230200320 is 23002032101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (160).

It is a junction number, because it is equal to n+sod(n) for n = 101230200295 and 101230200304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1771556 + ... + 1827804.

It is an arithmetic number, because the mean of its divisors is an integer number (1639996875).

Almost surely, 2^101230200320 is an apocalyptic number.

101230200320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101230200320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131199750000).

101230200320 is an abundant number, since it is smaller than the sum of its proper divisors (161169299680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101230200320 is an equidigital number, since it uses as much as digits as its factorization.

101230200320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56328 (or 56312 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 101230200320 its reverse (23002032101), we get a palindrome (124232232421).

The spelling of 101230200320 in words is "one hundred one billion, two hundred thirty million, two hundred thousand, three hundred twenty".